/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2014 Tyler Voskuilen
     \\/     M anipulation  |
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.

    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.

    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.

\*---------------------------------------------------------------------------*/

#include "GeometricField.H"
#include "volMesh.H"
#include "fvPatchField.H"

template<class Type>
void Foam::dynamicRefineBalancedFvMesh::correctBoundaries()
{
    typedef GeometricField<Type, fvPatchField, volMesh> GeoField;

    HashTable<GeoField*> flds(this->objectRegistry::lookupClass<GeoField>());

    forAllIter(typename HashTable<GeoField*>, flds, iter)
    {
        GeoField& fld = *iter();

        //mimic "evaluate" but only for coupled patches (processor or cyclic)
        // and only for blocking or nonBlocking comms (no scheduled comms)
        if
        (
            Pstream::defaultCommsType == Pstream::commsTypes::blocking
         || Pstream::defaultCommsType == Pstream::commsTypes::nonBlocking
        )
        {
            label nReq = Pstream::nRequests();

            forAll(fld.boundaryField(), patchi)
            {
                if(fld.boundaryField()[patchi].coupled())
                {
                    fld.boundaryFieldRef()[patchi].initEvaluate
                    (
                        Pstream::defaultCommsType
                    );
                }
            }

            // Block for any outstanding requests
            if
            (
                Pstream::parRun()
             && Pstream::defaultCommsType == Pstream::commsTypes::nonBlocking
            )
            {
                Pstream::waitRequests(nReq);
            }

            forAll(fld.boundaryField(), patchi)
            {
                if(fld.boundaryField()[patchi].coupled())
                {
                    fld.boundaryFieldRef()[patchi].evaluate
                    (
                        Pstream::defaultCommsType
                    );
                }
            }
        }
        else
        {
            //Scheduled patch updates not supported
            FatalErrorIn
            (
                "dynamicRefineBalancedFvMeshTemplates::correctBoundaries"
            )   << "Unsuported communications type "
                << Pstream::commsTypeNames[Pstream::defaultCommsType]
                << exit(FatalError);
        }
    }
}

// ************************************************************************* //
